When prison reformer Johnny Perez was incarcerated he made sheets, underwear and pillowcases working for Corcraft, a manufacturing division of New York State Correctional Services that uses prisoners to manufacture products for state and local agencies. His pay ranged between 17 cents and 36 cents an hour.

“We have a system that forces people to work and not only forces them to work but does not give them an adequate living wage,” said Perez. “Slavery by any name is wrong. Slavery in any shape or form is wrong.”

Perez is now part of a nationwide movement that hopes to reform what some have called the “slavery loophole” that allows incarcerated people to be paid tiny sums for jobs that – if they refuse to do them – can have dire consequences.

The 13th amendment of the US constitution, ratified in 1865, abolished slavery and involuntary servitude. But it contained an exception for “a punishment for crime whereof the party shall have been duly convicted”.

This exception […]